U25C
Information on this wiki page provides particular details about this model not found in our basic guide.
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Contents
Overview
TCS Locomotive Works DCC sound-equipped U25C includes a TCS WOWSound® decoder with factory-preset prototypical sound configuration. This model also includes Keep-Alive® for uninterrupted operation, even over dirty track. The WOWSound® Diesel locomotive sound package includes sounds for horn, bell, prime mover, air compressor, cooling fan, coupler close/release, brakes, and many more! (See below)
Specific Features
Features include:
- DCC sound-equipped for sound, speed, direction, and lighting control
- Dual-mode NMRA-compliant decoder operates sound, motor, and lights on DCC or DC power.
- TCS true CD-quality audio (16-bit, 44,100Hz)
- Authentic and prototypical sounds set by default
- Over 50 horn and over 40 bell options
- Keep-Alive® included, which keeps your engine running during power interruptions due to dirty track or loss of electrical contact
- Directional headlights enabled by default
- TCS' industry-leading "quiet drive" Back EMF motor control for superior slow-speed performance and load compensation
- User-loadable speed table options (3-point, 28-point, and 126-point curves)
- Two select-able Throttle Modes
- Two configurable Momentum Modes
- Die-cast frame
Additional Features
The U25C is at its heart a WOWDiesel decoder but has had some customization to make it specific to the locomotive. The information below details where CV’s and operation differ from the standard Steam decoder.
Note: This WOWSound® product includes TCS' Audio Assist® auditory feedback program.
Button Mappings
The values outlined below in the button mapping, sound list, and CV values are the defaults assigned to this particular decoder from the factory.
For information on how to program your locomotive using the values provided in the charts below, please see our List of Standard CVs, and/or List of Indexed CVs for WOWDiesel Version 4.
| Button Mappings | ||||
|---|---|---|---|---|
| Function Button | Sound Action | Light Action | Dual Enabled | Button |
| 0 | None | Rule 17 - Both Directions - Lamp 0F | False | Button 0 |
| 1 | Bell | Constant Bright - Both Directions - Lamp 1 | False | Button 1 |
| 2 | Horn Long | Constant Bright - Both Directions - Lamp 2 | False | Button 2 |
| 3 | Horn Short | None | False | Button 3 |
| 4 | Horn Quill | None | False | Button 4 |
| 5 | Brake Squeal | None | False | Button 5 |
| 6 | Prime Mover Ignition | None | False | Button 6 |
| 7 | None | Special Function: Dim the Rule 17 Light | True | Button 7 |
| 8 | 1x Press Mute/Unmute 2x Press to rotate page 4x Press Audio Assist™ |
None | True | Button 8 |
| 9 | None | False | Button 9 | |
| 10 | Manual Notch Up | None | False | Button 10 |
| 11 | Manual Notch Down | None | False | Button 11 |
| 12 | Coupler Clank | None | False | Button 12 |
| 13 | Coupler Clank | None | False | Button 13 |
| 14 | Brake Release | None | False | Button 14 |
| 15 | Dynamic Brake | None | True | Button 15 |
| 16 | Momentum | None | True | Button 16 |
| 17 | Crew Alert | None | False | Button 17 |
| 18 | 1x Press Mute/Unmute 2x Press to rotate page |
None | True | Button 18 |
| 19 | None | None | False | Button 19 |
| 20 | Air Spitter | None | False | Button 20 |
| 21 | Forward Sound | None | False | Button 21 |
| 22 | Reverse Sound | None | False | Button 22 |
| 23 | Stop Sound | None | False | Button 23 |
| 24 | Rotate Whistle | None | False | Button 24 |
| 25 | Windshield Wipers | None | False | Button 25 |
| 26 | Exhaust Fan | None | False | Button 26 |
| 27 | None | None | False | Button 27 |
| 28 | 1x Press Mute/Unmute 2x Press to rotate page |
None | True | Button 28 |
| Random Sound Mapping | |
|---|---|
| Random Sound Generator |
Sound Played |
| 1 | Air Compressor |
| 2 | Air Spitter |
| 3 | None |
| 4 | None |
Sound List
Please refer to the WOWDiesel Version 4.5 Sound List for a complete list of sounds included on this decoder.
CV Addendum (Standard CV's)
The U25C follows the motor and lighting CV's as described in in TCS' Comprehensive Programming Guide and List of Standard CV's.
CV Addendum (Indexed CV's)
The U25C decoder follows the motor and lighting CV's as described in TCS's WOWDiesel Programming Guide. Listed below are the TCS Indexed CV's for the U25C decoder:
Sound CV's
The table below lists all of the Indexed CV's used to configure "sound-related features" of the decoder. To use the information in this table, first program CV 201 with a value of 4, CV 202 with the value shown in the first column, and then use CV 203 and CV 204 to change the configuration.
| Indexed CV
(CV202) |
Indexed CV Value (CV203,CV204) | Description |
|---|---|---|
| 8 | 0,7 | Horn Type Selection (Southern Pacific #3100) |
| 10 | 0,80 | Master Volume |
| 11 | 0,17 | Prime Mover Selection (GE 7FDL16 (Type 1)) |
| 23 | 0,15 | Bell Type Selection (Southern Pacific U25B #3100) |
